Buffer overflow in QNAP Qts
CVE-2023-41276
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.2.2533 build 20230926 and later QuTS hero h5.1.2.2534 build 20230927 and later QuTScloud c5.1.5.2651 and later
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (43.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- QNAP Qts — versions 5.1.0.2348, 5.1.0.2399, 5.1.0.2418
- QNAP Qutscloud — versions c5.1.0.2498
- QNAP Quts Hero — versions h5.1.0.2409, h5.1.0.2424, h5.1.0.2453
- QNAP Systems Inc. Qts — versions 5.1.x
- QNAP Systems Inc. Qutscloud — versions c5.x.x
- QNAP Systems Inc. Quts Hero — versions h5.1.x
Weakness classification (CWE)
References
- www.qnap.com/en/security-advisory/qsa-23-38 (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-41276?
- CVE-2023-41276 is a medium-severity vulnerability in QNAP Qts, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 5.5/10. Published 2024-02-02.
- How severe is CVE-2023-41276?
- Medium severity. CVSS v3 base score is 5.5 out of 10.